Columbus and Spielberg are on board to produce the reboot, according to Deadline. The article also suggest that Columbus may have been planning to direct at one point but is not currently signed on to do so.
Gremlins tells the story of a young boy who is given an adorable Mogwai named Gizmo as a gift. Along with the present, he is given three important rules: Do not get him wet, do not feed him after midnight, and do not expose him to bright light. Of course, the rules are broken and Gizmo spawns a colony of relatives that make all kinds of violent mischief for the entire town.